Question

If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equation? The discriminant is negative. The discriminant is –3. The discriminant is 0. The discriminant is positive.

Answer 1

The Answer is C

Explanation:

Answer 2

The discriminant is 0.

Explanation:

The discriminant is zero if there is only one real solution to the quadratic equation.

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A positive discriminant indicates 2 distinct real solutions; a negative discriminant indicates 2 distinct complex solutions.